IT945609B - Perfezionamento nelle disposizioni di valvole per servomotori idraulici - Google Patents

Perfezionamento nelle disposizioni di valvole per servomotori idraulici

Info

Publication number
IT945609B
IT945609B IT54951/71A IT5495171A IT945609B IT 945609 B IT945609 B IT 945609B IT 54951/71 A IT54951/71 A IT 54951/71A IT 5495171 A IT5495171 A IT 5495171A IT 945609 B IT945609 B IT 945609B
Authority
IT
Italy
Prior art keywords
valves
arrangements
improvement
hydraulic servomotors
servomotors
Prior art date
Application number
IT54951/71A
Other languages
English (en)
Original Assignee
Sperry Rand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sperry Rand Corp filed Critical Sperry Rand Corp
Application granted granted Critical
Publication of IT945609B publication Critical patent/IT945609B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/004—Fluid pressure supply failure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F15B13/0435—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves the pilot valves being sliding valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Servomotors (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Actuator (AREA)
IT54951/71A 1971-02-18 1971-12-22 Perfezionamento nelle disposizioni di valvole per servomotori idraulici IT945609B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11637571A 1971-02-18 1971-02-18

Publications (1)

Publication Number Publication Date
IT945609B true IT945609B (it) 1973-05-10

Family

ID=22366803

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54951/71A IT945609B (it) 1971-02-18 1971-12-22 Perfezionamento nelle disposizioni di valvole per servomotori idraulici

Country Status (9)

Country Link
US (1) US3669147A (it)
JP (1) JPS5224703B1 (it)
AU (1) AU460376B2 (it)
CA (1) CA945868A (it)
DE (1) DE2202625C3 (it)
FR (1) FR2125572B1 (it)
GB (1) GB1328750A (it)
IT (1) IT945609B (it)
SE (1) SE362933B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296649A (en) * 1979-04-04 1981-10-27 Deere & Company Hydraulically operated transmission control
DE19536553A1 (de) * 1995-09-30 1997-04-03 Eckehart Schulze Elektrohydraulische Steuerventilanordnung
GB2577524B (en) 2018-09-27 2021-01-20 Pegler Yorkshire Group Ltd Plumbing fitting

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US638489A (en) * 1899-06-15 1899-12-05 Chester B Albree Motor for tools.
US2363111A (en) * 1941-12-02 1944-11-21 Vinco Corp Hydraulic valve
US2685794A (en) * 1951-01-08 1954-08-10 Northrop Aircraft Inc Load maintainer
US2906246A (en) * 1953-06-18 1959-09-29 Ross Operating Valve Co Control system for fluid actuated devices
FR1357067A (fr) * 1963-02-20 1964-04-03 Dispositif pour la commande automatique d'organes de transfert de liquides
US3515032A (en) * 1968-10-31 1970-06-02 Caterpillar Tractor Co Pilot bleed system for remote control valve operation

Also Published As

Publication number Publication date
DE2202625A1 (de) 1972-08-24
DE2202625B2 (de) 1978-06-08
CA945868A (en) 1974-04-23
FR2125572B1 (it) 1975-10-24
GB1328750A (en) 1973-08-30
AU3698071A (en) 1973-06-21
FR2125572A1 (it) 1972-09-29
DE2202625C3 (de) 1979-02-01
JPS5224703B1 (it) 1977-07-02
AU460376B2 (en) 1975-04-24
SE362933B (it) 1973-12-27
US3669147A (en) 1972-06-13

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